Kidde KN-COP-IC Hardwired Operated Carbon Monoxide Alarm with Digital Display 9V 6 PackKidde KN COP IC KN COP IC Product Description The Kidde KN COP IC is an AC wire in carbon monoxide alarm that protects you and your family from the dangers of carbon monoxide. The digital display allows for continuing monitoring of carbon monoxide levels. Its multiple contractor friendly features ensure easy installation and minimal troubleshooting. This alarm interconnects with up to 24 Kidde devices including smoke alarms, CO alarms and heat alarms